package com.techfengs.test09;

public class Girl {
	//// 与猫一起玩
	//public void play(Cat cat) {
	//	cat.shout();
	//}

	//// 与狗一起玩
	//public void play(Dog dog) {
	//	dog.shout();
	//}

	public void play(Animal a) {
		a.shout();
	}
}
